ammonium

"The combination of soft music and warm lighting created a relaxing atmosphere in the living room. "

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

"Hydrogen is the simplest chemical element, with only one proton in its atom. "

"The science students conducted their experiments in the school laboratory. "

"My sister is very helpful, especially when it comes to organizing things. "

"The radicals in the student council advocated for changes to the school's dress code. "

"The chemistry class focused on how different elements combine to form new substances. "

"After reading the book, she was carefully replacing it on the bookshelf. "

"To explain a chapter of the Bible."

"The farmer used fertilizers to help his crops grow bigger and faster. "

"The main ingredient in Grandma's famous chocolate chip cookies is butter. "

"During the cell division process of meiosis, if a pair of chromosomes fails to match up properly, the single, unpaired chromosome is called a univalent. "